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  9. Q72

HPSC HCS 2021 · Question 72 of 177

The substances with pH less than 7 are: 1. Gastric juices 2. Coffee 3. Apple juice 4. Liquid in the car battery

Chemistry

  1. A1 and 2 only
  2. B1,3 and 4 only
  3. C1,2 and 3 only
  4. DAll of theseCorrect

Answer: D. All of these

Explanation

Gastric juice, coffee, apple juice and car-battery acid are all acidic with pH below 7.

Source: HPSC HCS (Ex.Br.) Prelims Paper-I (General Studies) held 12-Sep-2021 (exampyq/doorsteptutor compilation); answers per official HPSC answer key

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